822806723 has 6 divisors (see below), whose sum is σ = 868391964. Its totient is φ = 779500764.

The previous prime is 822806707. The next prime is 822806729. The reversal of 822806723 is 327608228.

It is not a de Polignac number, because 822806723 - 2⁴ = 822806707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822806729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1139261 + ... + 1139982.

It is an arithmetic number, because the mean of its divisors is an integer number (144731994).

Almost surely, 2^822806723 is an apocalyptic number.

822806723 is a deficient number, since it is larger than the sum of its proper divisors (45585241).

822806723 is a wasteful number, since it uses less digits than its factorization.

822806723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279281 (or 2279262 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 822806723 is about 28684.6077714164. The cubic root of 822806723 is about 937.0568588458.

The spelling of 822806723 in words is "eight hundred twenty-two million, eight hundred six thousand, seven hundred twenty-three".